Memoirs of The New York Botanical Garden
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of Vascular Plants of Northeastern United States and adjacent Canada
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
- Much like Paronychia, but the stipules between adjacent lf-bases united to form a fringed scale about as broad as long; bracts inconspicuous; stigmas 2, short, virtually sessile. 35, Old World.